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Turn NucuCar.TestClient into a command line client

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This commit is contained in:
Denis-Cosmin Nutiu 2019-11-17 16:33:24 +02:00
parent 6f1f69bd8f
commit 451c3ee664
4 changed files with 70 additions and 33 deletions
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0
NucuCar.Sensors/.editorconfig → .editorconfig
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1
NucuCar.TestClient/NucuCar.TestClient.csproj
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@ -6,6 +6,7 @@
</PropertyGroup>
<ItemGroup>
<PackageReference Include="CommandLineParser" Version="2.6.0" />
<PackageReference Include="Grpc.Net.Client" Version="2.25.0" />
</ItemGroup>

59
NucuCar.TestClient/NucuCarSensorsCommandLine.cs Normal file
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@ -0,0 +1,59 @@
using System;
using System.Net.Http;
using System.Threading.Tasks;
using CommandLine;
using Google.Protobuf.WellKnownTypes;
using Grpc.Net.Client;
using NucuCarSensorsProto;
namespace NucuCar.TestClient
{
[Verb("sensors", HelpText = "Test the gRPC sensors services.")]
public class NucuCarSensorsCommandLineOptions
{
[Option('u', "url", Required = false, HelpText = "The url and port of the gRPC server.",
Default = "https://localhost:8000")]
public string GrpcServiceAddress { get; set; }
}
public class NucuCarSensorsCommandLine
{
public string GrpcServiceAddress { get; set; }
public static async Task RunSensorsTestCommand(NucuCarSensorsCommandLineOptions options)
{
var sensorsCommandLine = new NucuCarSensorsCommandLine();
sensorsCommandLine.GrpcServiceAddress = options.GrpcServiceAddress;
await sensorsCommandLine.EnvironmentSensorGrpcServiceTest();
}
public async Task EnvironmentSensorGrpcServiceTest()
{
// Used to allow gRPC calls over unsecured HTTP.
AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
// Allow untrusted certificates.
var httpClientHandler = new HttpClientHandler();
httpClientHandler.ServerCertificateCustomValidationCallback =
HttpClientHandler.DangerousAcceptAnyServerCertificateValidator;
var httpClient = new HttpClient(httpClientHandler);
var channel = GrpcChannel.ForAddress(GrpcServiceAddress,
new GrpcChannelOptions {HttpClient = httpClient});
var client = new EnvironmentSensorGrpcService.EnvironmentSensorGrpcServiceClient(channel);
var reply = await client.GetSensorStateAsync(new Empty());
var state = reply.State;
Console.WriteLine("EnvironmentSensorState: " + state);
if (state == SensorStateEnum.Initialized)
{
var measurement = await client.GetSensorMeasurementAsync(new Empty());
Console.WriteLine(
$"t: {measurement.Temperature} | h: {measurement.Humidity} | p: {measurement.Pressure}");
}
Console.WriteLine("Done");
}
}
}

43
NucuCar.TestClient/Program.cs
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@ -1,48 +1,25 @@
using System;
using System.Net.Http;
using System.Threading.Tasks;
using Google.Protobuf.WellKnownTypes;
using Grpc.Net.Client;
using NucuCarSensorsProto;
using System.Collections.Generic;
using CommandLine;
using static NucuCar.TestClient.NucuCarSensorsCommandLine;
namespace NucuCar.TestClient
{
class Program
{
/* Warning! Before issuing a gRPC call the dev certificate must be trusted or you'll get:
* Detail="Error starting gRPC call: The SSL connection could not be established, see inner exception."
* See: https://docs.microsoft.com/en-us/aspnet/core/security/enforcing-ssl?view=aspnetcore-3.0&tabs=visual-studio#trust-the-aspnet-core-https-development-certificate-on-windows-and-macos
*/
private static HttpClient _httpClient;
// ReSharper disable once ArrangeTypeMemberModifiers
static async Task Main(string[] args)
static void Main(string[] args)
{
// Used to allow gRPC calls over unsecured HTTP.
AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
// Allow untrusted certificates.
var httpClientHandler = new HttpClientHandler();
httpClientHandler.ServerCertificateCustomValidationCallback =
HttpClientHandler.DangerousAcceptAnyServerCertificateValidator;
_httpClient = new HttpClient(httpClientHandler);
await EnvironmentSensorGrpcServiceTest();
Parser.Default.ParseArguments<NucuCarSensorsCommandLineOptions>(args)
.WithParsed(opts => { RunSensorsTestCommand(opts).GetAwaiter().GetResult(); })
.WithNotParsed(HandleParseError);
}
private static async Task EnvironmentSensorGrpcServiceTest()
private static void HandleParseError(IEnumerable<Error> errs)
{
var channel = GrpcChannel.ForAddress("https://localhost:8000",
new GrpcChannelOptions {HttpClient = _httpClient});
var client = new EnvironmentSensorGrpcService.EnvironmentSensorGrpcServiceClient(channel);
var reply = await client.GetSensorStateAsync(new Empty());
var state = reply.State;
Console.WriteLine("EnviromentSensorState: " + state);
if (state == SensorStateEnum.Initialized)
foreach (var e in errs)
{
var measurement = await client.GetSensorMeasurementAsync(new Empty());
Console.WriteLine(
$"t: {measurement.Temperature} | h: {measurement.Humidity} | p: {measurement.Pressure}");
Console.WriteLine("Argument parse error:", e);
}
}
}